export namespace ProgressStepsTypes { export const steps: PropTypes.Validator; export const danger: PropTypes.Requireable; export const slim: PropTypes.Requireable; } export class ProgressSteps extends React.PureComponent { constructor(props: Readonly); constructor(props: any, context?: any); isFirstElement(index: any): boolean; isLastElement(index: any, array: any): boolean; render(): JSX.Element; } export namespace ProgressSteps { export { ProgressStepsTypes as propTypes }; } import PropTypes from "prop-types"; import React from "react";